package cn.cvs.utils;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * @auth 邝志豪
 * @date 2024/1/20 9:33
 */
public class ConfigManager {
    private static Properties properties;
    private static ConfigManager configManager=new  ConfigManager();

    public ConfigManager() {
        String configFile="database.properties";
        properties=new Properties();
        InputStream is=ConfigManager.class.getClassLoader().getResourceAsStream(configFile);
        try {
            properties.load(is);
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
//     public static synchronized ConfigManager getInstance() {
//        if (configManager==null){
//            configManager=new ConfigManager();
//        }
//         return configManager;
//     }

     //饿汉模式
    public  static  ConfigManager getInstance(){
        return configManager;
    }

     public String getValue(String  key){

         return properties.getProperty(key);
     }
}
